#include "Header.h"



class One
{
	
public:

	static void Calculate()
	{
		
		int sum = 0;	
			
		for (int i = 0; i < 1000; i++)
		{
			if (i % 3 == 0 || i % 5 == 0)
			{
				sum += i;
			}
		}

		cout << sum << endl;
	}
};